The utility model relates to a secondary tool, concretely relates to a secondary cable clamp, and helps to solve technical problems that a conventional secondary cable clamp cannot arrange and fix cables in an orderly manner. The secondary cable clamp comprises a base plate made of insulating material. The upper surface of the base plate is equipped with a plurality of wire ducts that are arranged in a horizontal manner and parallel to each other. One side of the base plate is connected with a cable labeling board that is made of plastic. Ten wire ducts are provided. A connecting place between the vertical edge and the bottom edge of each wire duct is an arc place. The advantages are that the secondary cable clamp can conveniently find faulty secondary cables, enables cables to be arranged in an orderly manner to make the cables look nice and elegant, and is convenient to clean and maintain.